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Finding the Fourth Proportional to 585,028.80, 875,793.60 and 550,425.60

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Solution

The fourth proportional to 585,028.80, 875,793.60 and 550,425.60 is: 823,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,028.80 : 875,793.60 = 550,425.60 : x
  2. Step 2: Convert to fraction form
    585,028.80/875,793.60 = 550,425.60/x
  3. Step 3: Cross multiply
    585,028.80x = 875,793.60 × 550,425.60
  4. Step 4: Simplify right side
    585,028.80x = 482,059,217,756.16
  5. Step 5: Solve for x
    x = 482,059,217,756.16/585,028.80
  6. Step 6: Final answer
    x = 823,992.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.